CHARLOTTE, N.C. - NAPA Auto Parts said Thursday it will end its multimillion-dollar sponsorship of Michael Waltrip Racing at the end of the year, the latest fallout from the team's attempt to manipulate a race to get Martin Truex Jr. into NASCAR's version of the playoffs.

JOLIET, Ill. - Just when it appeared Kyle Busch couldn't be any stronger in a Nationwide Series race, he broke the record for most laps led on a 1.5-mile track in a Nationwide race in winning the Dollar General 300 race at Chicagoland Speedway on Saturday.

JOLIET, Ill. - NASCAR added Jeff Gordon to the Chase for the Sprint Cup championship field Friday, a stunning and unprecedented step in the fallout from at least two attempts to manipulate the results of the regular season-ending race at Richmond last weekend.

CHICAGO - Joey Logano defended his place in the Chase for the Sprint Cup championship on Thursday, rattling off his season statistics as proof he earned his spot in the 12-driver field regardless of any help he may have received in the deciding race.

RICHMOND, Va. - Brad Keselowski passed Brian Scott on a restart with 11 laps to go Friday night and pulled away after another restart with six laps remaining to win the NASCAR Nationwide Series race at Richmond.